/**
 * Copyright (c) 2025 Huawei Technologies Co., Ltd.
 * This program is free software, you can redistribute it and/or modify it under the terms and conditions of
 * CANN Open Software License Agreement Version 2.0 (the "License").
 * Please refer to the License for details. You may not use this file except in compliance with the License.
 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED,
 * INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE.
 * See LICENSE in the root of the software repository for the full text of the License.
 */
#include <mki/utils/math/tensor_utils.h>
#include <mki/utils/math/math.h>
#include <mki_loader/op_register.h>
#include <mki/utils/platform/platform_info.h>
#include "utils/assert.h"
#include "log/log.h"
#include "fft_stride.h"
#include "tiling/fft_stride_tiling.h"
#include "tiling/tiling_data.h"

static constexpr uint32_t TENSOR_INPUT_NUM = 2;
static constexpr uint32_t TENSOR_OUTPUT_NUM = 1;
namespace AsdSip {
using namespace Mki;
class FftStrideKernel : public KernelBase {
public:
    explicit FftStrideKernel(const std::string &tacticName, const BinHandle *handle) noexcept
        : KernelBase(tacticName, handle)
    {
    }

    bool CanSupport(const LaunchParam &launchParam) const override
    {
        ASDSIP_CHECK(launchParam.GetInTensorCount() == TENSOR_INPUT_NUM, "check inTensor count failed", return false);
        ASDSIP_CHECK(launchParam.GetOutTensorCount() == TENSOR_OUTPUT_NUM,
            "check outTensor count failed", return false);
        ASDSIP_CHECK(launchParam.GetInTensor(0).desc.dtype == TENSOR_DTYPE_COMPLEX64, "inTensor 0 dtype unsupported",
                  return false);
        ASDSIP_CHECK(launchParam.GetParam().Type() == typeid(OpParam::FftStride), "check param type failed!",
                  return false);
        return true;
    }

    uint64_t GetTilingSize(const LaunchParam &launchParam) const override
    {
        (void)launchParam;
        return sizeof(FftStrideTilingData);
    }

    Status InitImpl(const LaunchParam &launchParam) override
    {
        if (Mki::PlatformInfo::Instance().GetPlatformType() == Mki::PlatformType::ASCEND_910B) {
            kernelInfo_.SetHwsyncIdx(0);
        }
        auto status = FftStrideTiling(launchParam, kernelInfo_);
        ASDSIP_CHECK(status == AsdSip::ErrorType::ACL_SUCCESS, "InitKernelInfoImpl FftStrideTiling failed",
                    return Status::FailStatus(ERROR_INVALID_VALUE));
        return Status::OkStatus();
    }
};

REG_KERNEL_BASE(FftStrideKernel);

}  // namespace AsdSip